减少干扰

Many generators also have acoustically designed sound-management systems to minimize noise interference and vibration....

许多设计良好的声也发电机管理系统，以减少噪音和震动干扰

The MAX2338 includes a low-noise amplifier with an adjustable high-input third-order intercept point (IIP3) to minimize intermediation and cross-modulation in the presence of large interfering signals.

它包括一个具有可调的高输入三阶交调点(IIP3)低噪声放大器，用以减少当前大干扰信号下的互调失真和交调失真。

The MAX2338includes a low-noise amplifier with an adjustable high-inputthird-order intercept point (IIP3) to minimize intermediation andcross-modulation in the presence of large interfering signals.

它包括一个具有可调的高输入三阶交调点(IIP3)低噪声放大器，用以减少当前大干扰信号下的互调失真和交调失真。

The research of cytology shows that there are dramatically morphological and structure changes in the leaf: the cells of mesophyll array loosely and parenchyma cells reduced, cambium becomes thinner and degree of xylem becomes more serious, the content of chlorophyll dropped; the changes of conducting tissue and stoma structure affect transport and allocation of water and nutrient, hinder leaf growth and disturb regular metabolism of leaf, at last lead to wilt, rot and become crisp papyraceous.

细胞学研究表明，病叶组织的叶肉细胞排列疏松，薄壁细胞层次减少，形成层变薄，木质化程度加深，叶绿体减少；在病叶中由于疏导组织和气孔的结构发生变化，影响养分和水分在植株体内的运输和分配，干扰叶片的正常代谢，抑制叶片的生长发育，最终导致叶片失水萎缩、干枯，变为焦脆的干纸状。

The complexity decreases; the operational problems,such as collinear nodes,reflexions and signalinterferences,are reduced; and finally it avoids the overlapping problem.

这一个运算法则的效率以下列的有关结果为基础：复杂减少；操作的问题，像是在同一直线上的节点，弯曲和讯号干扰，被减少；而且最后它避免交叠处理问题。

Compared with the prior art, the invention has the advantages that:(1) the active neural microelectrode integrates signal collection/processing and stimulation function in the same preposed signal processing chip, which can reduce the disturbance of environmental noise, inhibit the attenuation caused by parasitic capacitance, filter polarized voltage and greatly improve the speech-noise ratio and stability of the whole microelectrode; and (2) the active neural microelectrode integrates digital logic control and stimulation circuit in the chip, so as to reduce the amount of output leads and simplify the complexity of subsequent circuits.

本发明相对于现有技术具有如下突出特点：(1)将信号的采集，处理以及刺激功能集成在一个前置信号处理芯片上，不仅减少了因为环境噪声的干扰，而且很好的抑制了寄生电容引起的衰减，滤除了极化电压，大大增强了整个微电极的信噪比和稳定性；(2)同时，将数字逻辑控制和刺激电路也集成在此芯片上，减少了输出引线的数目，简化了后续电路的复杂性。

The method of obtaining time delay parameters with the reverse access channel is discussed. The modified algorithms of classic correlation methods of TOA estimation are proposed. Noncoherently combining algorithm and group coherent combining algorithm are given. They decrease the computational complexity and are more suitable for implementations in practical systems. The leading edge detection algorithm is proposed to mitigate the effect of multipath in TOA estimation. Then the secondary search method is proposed, it can solve the matching issue of PN code in CDMA systems. The location algorithms based on LS are discussed; include circular trilateration with LS, hyperbolic trilateration with reference differencing, hyperbolic trilateration with sequential differencing and circular trilateration with TOA differences. The design and implementation of wireless location system based on TOA/TDOA in CDMA2000 systems are given. The location process is discussed, and the hardware and software implementation of TOA estimation are given. Finally, the wireless location system which uses TOA estimation and LS location algorithms above is tested in the real environment.

文中讨论了采用CDMA2000反向链路中的接入信道来获取时延的方法和过程；对TOA估计的传统的相关法进行了改进，提出了非相干合并相关法和分组合并相关法，减少了基于相关的时延估计算法的运算量，提高了算法的实用性，对算法进行了仿真和性能分析；采用边缘检测技术有效减少了TOA参数估计中的多径干扰，提高了时延参数估计的准确度；提出了一种TOA估计的二次搜索法，解决了多个定位测量单元同时进行TOA估计的PN码匹配问题，进一步了提高TOA估计的精度；在采用时延值的定位算法中引入了基于LS的圆周法、基于参考差的双曲线法、基于相邻差的双曲线法和基于TDOA的圆周法，讨论了各算法的应用条件，进行了算法性能的仿真分析；给出了CDMA2000系统中的TOA/TDOA的无线定位的系统方案和实现流程，并对TOA值估计算法进行了软硬件实现，还对采用TOA估计算法、LS定位算法和定位系统设计方案实现的定位系统的进行了现场定位性能测试。

This invention discloses a power control method based on mixed automatic retransmitting mechanism in which the user end checks received data packet and to feed back to the base station ACK message if the result is correct, and the base station sends the next data packet according to the emitting power of last data packet, if not, sends back NA CK message and quality information of received data packet, the base station will adjust the transmitting power of retransmitting data packet and retransmits the said data packet to guarantee the retransmitting efficiency of the data packet, reduce resource lost of the system to the ulmost and reduce signal interference among different users.

本发明公开了一种基于混合自动重传机制的功率控制方法，该方法通过用户端对接收到的数据包进行校验，当结果正确时，向基站反馈ACK消息，由基站按照上一个数据包的发射功率发送下一个数据包，否则，向基站反馈NACK消息，以及接收到的数据包的质量信息，基站根据所述数据包的质量信息，调整重传数据包的发射功率，并重新发送所述数据包，采用上述方案对发送失败的数据包重传时根据数据包的总质量信息配以不同的发射功率，从而可以在保证数据包重传效率的基础上，最大限度地减少系统的资源消耗，减少不同用户之间的信号干扰。

This invention discloses a power control method based on mixed automatic retransmitting mechanism in which the user end checks received data packet and to feed back to the base station ACK message if the result is correct, and the base station sends the next data packet according to the emitting power of last data packet, if not, sends back NA CK message and quality information of received data packet, the base station will adjust the transmitting power of retransmitting data packet and retransmits the said data packet to guarantee the retransmitting efficiency of the data packet, reduce resource lost of the system to the ulmost and reduce signal interference among different users.

抜粋 本发明公开了一种基于混合自动重传机制的功率控制方法，该方法通过用户端对接收到的数据包进行校验，当结果正确时，向基站反馈ACK消息，由基站按照上一个数据包的发射功率发送下一个数据包，否则，向基站反馈NACK消息，以及接收到的数据包的质量信息，基站根据所述数据包的质量信息，调整重传数据包的发射功率，并重新发送所述数据包，采用上述方案对发送失败的数据包重传时根据数据包的总质量信息配以不同的发射功率，从而可以在保证数据包重传效率的基础上，最大限度地减少系统的资源消耗，减少不同用户之间的信号干扰。

This invention discloses a power control method based on mixed automatic retransmitting mechanism in which the user end checks received data packet and to feed back to the base station ACK message if the result is correct, and the base station sends the next data packet according to the emitting power of last data packet, if not, sends back NA CK message and quality information of received data packet, the base station will adjust the transmitting power of retransmitting data packet and retransmits the said data packet to guarantee the retransmitting efficiency of the data packet, reduce resource lost of the system to the ulmost and reduce signal interference among different users.

要约 本发明公开了一种基于混合自动重传机制的功率控制方法，该方法通过用户端对接收到的数据包进行校验，当结果正确时，向基站反馈ACK消息，由基站按照上一个数据包的发射功率发送下一个数据包，否则，向基站反馈NACK消息，以及接收到的数据包的质量信息，基站根据所述数据包的质量信息，调整重传数据包的发射功率，并重新发送所述数据包，采用上述方案对发送失败的数据包重传时根据数据包的总质量信息配以不同的发射功率，从而可以在保证数据包重传效率的基础上，最大限度地减少系统的资源消耗，减少不同用户之间的信号干扰。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。